CN104291374A - Simple and rapid quantum dot synthesis method - Google Patents
Simple and rapid quantum dot synthesis method Download PDFInfo
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- CN104291374A CN104291374A CN201410269930.7A CN201410269930A CN104291374A CN 104291374 A CN104291374 A CN 104291374A CN 201410269930 A CN201410269930 A CN 201410269930A CN 104291374 A CN104291374 A CN 104291374A
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- mother liquor
- sulfosalt
- cadmium
- solution
- quantum dot
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- 239000002096 quantum dot Substances 0.000 title claims abstract description 44
- 238000001308 synthesis method Methods 0.000 title abstract description 7
- 238000002360 preparation method Methods 0.000 claims abstract description 21
- WUPHOULIZUERAE-UHFFFAOYSA-N 3-(oxolan-2-yl)propanoic acid Chemical compound OC(=O)CCC1CCCO1 WUPHOULIZUERAE-UHFFFAOYSA-N 0.000 claims abstract description 13
- 229910052980 cadmium sulfide Inorganic materials 0.000 claims abstract description 13
- 238000006243 chemical reaction Methods 0.000 claims abstract description 5
- 239000012452 mother liquor Substances 0.000 claims description 37
- 229910052793 cadmium Inorganic materials 0.000 claims description 16
- BDOSMKKIYDKNTQ-UHFFFAOYSA-N cadmium atom Chemical compound [Cd] BDOSMKKIYDKNTQ-UHFFFAOYSA-N 0.000 claims description 16
- 150000001875 compounds Chemical class 0.000 claims description 15
- YKYOUMDCQGMQQO-UHFFFAOYSA-L cadmium dichloride Chemical compound Cl[Cd]Cl YKYOUMDCQGMQQO-UHFFFAOYSA-L 0.000 claims description 14
- 229940116367 cadmium sulfide Drugs 0.000 claims description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 10
- GEHJYWRUCIMESM-UHFFFAOYSA-L sodium sulfite Chemical group [Na+].[Na+].[O-]S([O-])=O GEHJYWRUCIMESM-UHFFFAOYSA-L 0.000 claims description 8
- 238000003756 stirring Methods 0.000 claims description 7
- 238000010189 synthetic method Methods 0.000 claims description 7
- 239000000843 powder Substances 0.000 claims description 6
- 239000003381 stabilizer Substances 0.000 claims description 5
- UYJXRRSPUVSSMN-UHFFFAOYSA-P ammonium sulfide Chemical compound [NH4+].[NH4+].[S-2] UYJXRRSPUVSSMN-UHFFFAOYSA-P 0.000 claims description 4
- XIEPJMXMMWZAAV-UHFFFAOYSA-N cadmium nitrate Inorganic materials [Cd+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O XIEPJMXMMWZAAV-UHFFFAOYSA-N 0.000 claims description 4
- NMHMNPHRMNGLLB-UHFFFAOYSA-N phloretic acid Chemical compound OC(=O)CCC1=CC=C(O)C=C1 NMHMNPHRMNGLLB-UHFFFAOYSA-N 0.000 claims description 4
- DPLVEEXVKBWGHE-UHFFFAOYSA-N potassium sulfide Chemical compound [S-2].[K+].[K+] DPLVEEXVKBWGHE-UHFFFAOYSA-N 0.000 claims description 4
- 235000010265 sodium sulphite Nutrition 0.000 claims description 4
- CWERGRDVMFNCDR-UHFFFAOYSA-N thioglycolic acid Chemical compound OC(=O)CS CWERGRDVMFNCDR-UHFFFAOYSA-N 0.000 claims description 4
- UFULAYFCSOUIOV-UHFFFAOYSA-N cysteamine Chemical compound NCCS UFULAYFCSOUIOV-UHFFFAOYSA-N 0.000 claims description 2
- 229960003151 mercaptamine Drugs 0.000 claims description 2
- QKNYBSVHEMOAJP-UHFFFAOYSA-N 2-amino-2-(hydroxymethyl)propane-1,3-diol;hydron;chloride Chemical compound Cl.OCC(N)(CO)CO QKNYBSVHEMOAJP-UHFFFAOYSA-N 0.000 claims 1
- GHCZTIFQWKKGSB-UHFFFAOYSA-N 2-hydroxypropane-1,2,3-tricarboxylic acid;phosphoric acid Chemical compound OP(O)(O)=O.OC(=O)CC(O)(C(O)=O)CC(O)=O GHCZTIFQWKKGSB-UHFFFAOYSA-N 0.000 claims 1
- DKIDEFUBRARXTE-UHFFFAOYSA-N 3-mercaptopropanoic acid Chemical group OC(=O)CCS DKIDEFUBRARXTE-UHFFFAOYSA-N 0.000 claims 1
- LXXNWCFBZHKFPT-UHFFFAOYSA-N Ethyl 2-mercaptopropionate Chemical compound CCOC(=O)C(C)S LXXNWCFBZHKFPT-UHFFFAOYSA-N 0.000 claims 1
- XUJNEKJLAYXESH-REOHCLBHSA-N L-Cysteine Chemical compound SC[C@H](N)C(O)=O XUJNEKJLAYXESH-REOHCLBHSA-N 0.000 claims 1
- 229920001219 Polysorbate 40 Polymers 0.000 claims 1
- PMNLUUOXGOOLSP-UHFFFAOYSA-N alpha-mercaptopropionic acid Natural products CC(S)C(O)=O PMNLUUOXGOOLSP-UHFFFAOYSA-N 0.000 claims 1
- LHQLJMJLROMYRN-UHFFFAOYSA-L cadmium acetate Chemical compound [Cd+2].CC([O-])=O.CC([O-])=O LHQLJMJLROMYRN-UHFFFAOYSA-L 0.000 claims 1
- QCUOBSQYDGUHHT-UHFFFAOYSA-L cadmium sulfate Chemical compound [Cd+2].[O-]S([O-])(=O)=O QCUOBSQYDGUHHT-UHFFFAOYSA-L 0.000 claims 1
- GLNWILHOFOBOFD-UHFFFAOYSA-N lithium sulfide Chemical compound [Li+].[Li+].[S-2] GLNWILHOFOBOFD-UHFFFAOYSA-N 0.000 claims 1
- 239000008363 phosphate buffer Substances 0.000 claims 1
- 235000010482 polyoxyethylene sorbitan monooleate Nutrition 0.000 claims 1
- 235000010483 polyoxyethylene sorbitan monopalmitate Nutrition 0.000 claims 1
- 239000000249 polyoxyethylene sorbitan monopalmitate Substances 0.000 claims 1
- 229940101027 polysorbate 40 Drugs 0.000 claims 1
- 229920000053 polysorbate 80 Polymers 0.000 claims 1
- 230000035484 reaction time Effects 0.000 claims 1
- ACTRVOBWPAIOHC-UHFFFAOYSA-N succimer Chemical compound OC(=O)C(S)C(S)C(O)=O ACTRVOBWPAIOHC-UHFFFAOYSA-N 0.000 claims 1
- RYCLIXPGLDDLTM-UHFFFAOYSA-J tetrapotassium;phosphonato phosphate Chemical compound [K+].[K+].[K+].[K+].[O-]P([O-])(=O)OP([O-])([O-])=O RYCLIXPGLDDLTM-UHFFFAOYSA-J 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 15
- 238000001514 detection method Methods 0.000 abstract description 6
- 238000011065 in-situ storage Methods 0.000 abstract description 3
- 239000000463 material Substances 0.000 abstract description 2
- 230000036632 reaction speed Effects 0.000 abstract 1
- 239000000243 solution Substances 0.000 description 26
- 230000015572 biosynthetic process Effects 0.000 description 16
- 238000003786 synthesis reaction Methods 0.000 description 16
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 description 9
- 230000002194 synthesizing effect Effects 0.000 description 5
- 239000012071 phase Substances 0.000 description 4
- 230000003139 buffering effect Effects 0.000 description 3
- BNIILDVGGAEEIG-UHFFFAOYSA-L disodium hydrogen phosphate Chemical compound [Na+].[Na+].OP([O-])([O-])=O BNIILDVGGAEEIG-UHFFFAOYSA-L 0.000 description 3
- 229910000397 disodium phosphate Inorganic materials 0.000 description 3
- 235000019800 disodium phosphate Nutrition 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 3
- 238000011160 research Methods 0.000 description 3
- 239000001488 sodium phosphate Substances 0.000 description 3
- 238000004458 analytical method Methods 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000013016 damping Methods 0.000 description 2
- 239000012153 distilled water Substances 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 238000002866 fluorescence resonance energy transfer Methods 0.000 description 2
- 229910052979 sodium sulfide Inorganic materials 0.000 description 2
- GRVFOGOEDUUMBP-UHFFFAOYSA-N sodium sulfide (anhydrous) Chemical compound [Na+].[Na+].[S-2] GRVFOGOEDUUMBP-UHFFFAOYSA-N 0.000 description 2
- 102000004190 Enzymes Human genes 0.000 description 1
- 108090000790 Enzymes Proteins 0.000 description 1
- 239000008346 aqueous phase Substances 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 230000008033 biological extinction Effects 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000005660 chlorination reaction Methods 0.000 description 1
- -1 chromium chloride cadmium Chemical compound 0.000 description 1
- 238000007865 diluting Methods 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 239000002086 nanomaterial Substances 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 230000000171 quenching effect Effects 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G11/00—Compounds of cadmium
- C01G11/02—Sulfides
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K11/00—Luminescent, e.g. electroluminescent, chemiluminescent materials
- C09K11/08—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials
- C09K11/56—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials containing sulfur
- C09K11/562—Chalcogenides
- C09K11/565—Chalcogenides with zinc cadmium
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/60—Particles characterised by their size
- C01P2004/64—Nanometer sized, i.e. from 1-100 nanometer
Abstract
The invention belongs to the technical field of material preparation, and relates to a new quantum dot synthesis method. The simple and rapid small-system cadmium sulfide quantum dot in situ synthesis method is established by optimizing present synthesis methods. The method has the advantages of simplicity, mild reaction conditions, fast reaction speed, good fluorescence intensity and the like. The ultra small-system quantum dot in situ synthesis method can be easily coupled with other chemical reactions to convenient establish new detection methods based on the method, is of great practical significance and has deep researching values.
Description
Technical field
The invention belongs to technical field of material, relate to a kind of new quantum dot synthetic method.Specifically a kind of cadmiumsulfide quantum dot synthetic method of simple and quick trace, the method can direct synthesizing cadmium sulfide quantum dot in the orifice plate under room temperature environment, simultaneously can also by changing the stablizer synthesizing and select, reach and react with other object be coupled, thus set up various novel detection method easily.
Background technology
Quantum dot is a kind of novel inorganic fluorescent nano material, it has minimum size and quantum limitation effect, this makes it show the performance of a series of excellence, as high in fluorescent yield, good stability, exciting light scope wide and continuously, Color tunable joint and bio-compatibility good etc.These character can be widely applied in fields such as photovoltaic, light source, electronics, bio-imaging and information storage.
The synthesis of quantum dot is also the focus that people pay close attention to always, wherein one of aqueous phase quantum point synthesis direction that research is the hottest now especially.Good water phase synthesis method should have simple to operate, cheap, without the need to the advantage such as the quantum dot quantum productive rate high stability of anaerobic environment, preparation is good.And the most of quantum dot water phase synthesis method in reporting now all requires the anaerobic environment of higher degree and loaded down with trivial details experimental implementation, this proposes certain requirement to the synthesis of quantum dot.In addition, the application of quantum dot is also the focus of current research.Wherein, the focus especially of the research in analyzing and testing field.The enzyme classes utilizing the quenching of fluorescence of quantum dot and FRET (fluorescence resonance energy transfer) mechanism to develop detection platform alive more and more obtains the acceptance of people.But these class methods often also exist higher background signal, and there is certain limitation.Therefore, set up the new quantum dot analytical applications mode that can be used as general analysis platform is the target that people pursue always.
Chinese patent 201110069115.2 discloses a kind of method preparing quantum dot.Utilize the method, in oil-phase solution, high temperature directly synthesizes quantum dot.But the method needs the high temperature provided more than 200 DEG C, and the quantum dot quality of synthesis is difficult to control, and directly cannot be used in the foundation of analytical procedure.
Chinese patent 201410039204.6 discloses a kind of method preparing cadmiumsulfide quantum dot.Utilize the method, can with fairly simple method synthesizing cadmium sulfide quantum dot, technics comparing is simple.But the method cannot simplify macro further, and by product is more, limit the further application of cadmiumsulfide quantum dot.
Traditional method, when synthesizing quantum dot, needs the environment of anaerobism, accurately stirring and temperature to control usually, and the experiment experience that staff is a large amount of.And the quantum dot that fluorescence intensity is higher at present comes from oil phase synthetic method mostly, the quantum dot of synthesis in water often faces the problem of the aspects such as fluorescence intensity is lower, size distribution is wider.These all limit the synthesis of quantum dot and apply further.
Prior art also can synthesize the higher cadmiumsulfide quantum dot of quality, but this patent synthetic method has, and system is little, simple to operate, supper-fast reaction and be convenient to many-sided advantages such as coupling under room temperature condition, makes the method have huge using value and potentiality to be exploited.
Prior art also can synthesize the higher cadmiumsulfide quantum dot of quality, but our synthesis mode has that system is little, simple to operate, under room temperature supper-fast reaction be convenient to many-sided advantages such as coupling, make the method have huge using value and potentiality to be exploited.
Summary of the invention
Technical problem underlying solved by the invention is simplification for conventional vulcanized cadmium quantum dot synthetic method and macro, utilize the method can screen the agent of various potential quantum dot synthesizing stable easily, can also react with other easily and be coupled, thus set up new detection method.
The technical solution adopted in the present invention is as follows:
The preparation of sulfosalt mother liquor: sulfosalt is dissolved in distilled water and is mixed with 5-25mmol/L sulfosalt solution.Sulfosalt mother liquor was prepared once again every 3 ~ 5 days;
The preparation of cadmium source soluble compound mother liquor: cadmium source soluble compound is dissolved in distilled water the cadmium source soluble compound mother liquor being mixed with 50-100mmol/L;
The preparation of stablizer mother liquor: be mixed with 4-10mmol/L stablizer mother liquor by soluble in water for stablizer.
The preparation of buffered soln: preparing pH with 0.2mol/L disodium phosphate soln and 0.1mol/L citric acid solution is the damping fluid of 6.0 ~ 8.0;
During synthesis, buffered soln makes starting point concentration be 10-50mmol/L through suitably diluting.Again by pre-configured sulfosalt mother liquor with volume ratio 1: (25 ~ 70) are dissolved in buffered soln, obtain sodium sulfide solution A; By the cadmium source soluble compound mother liquor for preparing in advance with volume ratio 1: (10 ~ 45) are dissolved in buffered soln, obtain cadmium source soluble compound solution B; Again by pre-configured stablizer mother liquor dilution 1 ~ 3 times, final solution C.
Afterwards, get a new black orifice plate, add solution A, C, B successively, the volume ratio between three is (20 ~ 50): 1: (20 ~ 50), then stirs with rifle head, can fabricated in situ cadmiumsulfide quantum dot in the orifice plate.The quantum dot of synthesis directly can detect fluorescence in the orifice plate, and fluorescence intensity can keep stable in a long time.
Accompanying drawing explanation
Fig. 1 is the single dispersing quantum dot synthesized when taking polysorbas20 as stablizer, can find that quantum point grain diameter is between 2 ~ 3nm, and stable and single dispersing is in the aqueous solution, and this is particularly important to the fluorescence intensity of quantum dot.
Fig. 2 is the single dispersing quantum dot synthesized when taking Thiovanic acid as stablizer.
In Fig. 3, solid line is the ultraviolet-visible extinction spectrum of the cadmiumsulfide quantum dot of synthesis, round dot dotted line is the fluorogram of the cadmiumsulfide quantum dot synthesized when taking Thiovanic acid as stablizer, and square pecked line is the fluorogram of the cadmiumsulfide quantum dot synthesized when being stablizer with polysorbas20
Embodiment
Embodiment 1
The preparation of potassium sulphide mother liquor: take 0.22g potassium sulphide and be dissolved in 100mL volumetric flask, be mixed with sulfosalt solution.Potassium sulphide mother liquor was prepared again every 3 ~ 5 days.
The preparation of Cadmium chloride fine powder mother liquor: take 0.41g Cadmium chloride fine powder and be dissolved in 10mL volumetric flask, be mixed with Cadmium chloride fine powder mother liquor.
The preparation of stabiliser solution: take 0.023g polysorbas20 and be dissolved in 10mL volumetric flask, be mixed with stablizer mother liquor.Mercaptoethylamine is that each experiment is now joined.
The preparation of buffered soln: preparing pH with 0.2mol/L disodium phosphate soln and 0.1mol/L citric acid solution is the damping fluid of 6.0 ~ 8.0;
During synthesis, buffered soln starting point concentration is 50mmol/L.Again pre-configured sodium sulphite mother liquor is dissolved in buffered soln with volume ratio 1: 13, obtains sodium sulfide solution A; The cadmium nitrate mother liquor prepared in advance is dissolved in buffering with volume ratio 1: 20, obtains cadmium nitrate solution B; Again pre-configured stablizer mother liquor is diluted 3 times, final solution C.
Afterwards, get new black 96 orifice plate, get 100 μ L solution A and add orifice plate; Get 2 μ L C again to add, and stir with rifle head; Pipette 100 μ L solution B with liquid-transfering gun again and add orifice plate, then stir with rifle head, can at 96 orifice plate situ synthesis quantum dots.The quantum dot of synthesis can direct-detection fluorescence, and keep stable in a long time.
Embodiment 2
The preparation of sodium sulphite mother liquor: take 0.21g ammonium sulfide solution and be dissolved in 100mL volumetric flask, be mixed with sulfosalt solution.Sodium sulphite mother liquor is prepared once for every 3 ~ 5 days again.
The preparation of Cadmium chloride fine powder mother liquor: take 0.12g chlorination cadmium nitrate and be dissolved in 10mL volumetric flask, be mixed with chromium chloride cadmium mother liquor.
The preparation of stabiliser solution: take 0.025g Thiovanic acid and be dissolved in 10mL volumetric flask, be mixed with stablizer mother liquor.Polysorbas20 is that each experiment is now joined.
The preparation of buffered soln: preparing pH with 0.2mol/L disodium phosphate soln and 0.1mol/L citric acid solution is the buffered soln of 6.0 ~ 8.0;
During synthesis, buffered soln starting point concentration is 50mmol/L.Again pre-configured ammonium sulfide mother liquor is dissolved in buffering with volume ratio 1: 89, obtains ammonium sulfide solution A; The Cadmium chloride fine powder mother liquor prepared in advance is dissolved in buffering with volume ratio 1: 50, obtains cadmium chloride solution B; Again pre-configured stablizer mother liquor is diluted 5 times, final solution C.
Afterwards, get new black 96 orifice plate, get 100 μ L solution A and add orifice plate; Add 2 μ L solution C again, and stir with rifle head; Get 100 μ L solution B afterwards and add orifice plate, then stir with rifle head, can at 96 orifice plate situ synthesis quantum dots.The quantum dot of synthesis can direct-detection fluorescence, and keep stable in a long time.
Claims (8)
1. a synthetic method for quantum dot, is characterized in that, comprises the following steps:
A) sulfosalt, stablizer, cadmium source soluble compound are distinguished soluble in water, obtain sulfosalt mother liquor, containing stablizer mother liquor, cadmium source soluble compound mother liquor.
B) sulfosalt mother liquor, stablizer mother liquor, cadmium source soluble compound mother liquor being diluted in pH is successively in the buffered soln of 6 ~ 8, obtains sulfosalt solution, stabiliser solution, cadmium source soluble compound solution
C) sulfosalt solution, stabiliser solution, cadmium source soluble compound solution are mixed in the orifice plate successively, stir, control temperature is obtained by reacting water-soluble cadmiumsulfide quantum dot.
2. preparation method according to claim 1, is characterized in that, described stablizer is 3-thiohydracrylic acid, dimercaptosuccinic acid, Thiovanic acid, 2 mercaptopropionic acid, halfcystine, polysorbas20, polysorbate40, tween 80, potassium pyrophosphate or mercaptoethylamine.
3. preparation method according to claim 1, is characterized in that, described sulfosalt is sodium sulphite, potassium sulphide, ammonium sulfide or lithium sulfide.
4. preparation method according to claim 1, is characterized in that, described cadmium source soluble compound is Cadmium chloride fine powder, Cadmium Sulphate, cadmium nitrate or cadmium acetate.
5. preparation method according to claim 1, it is characterized in that the temperature of described reaction is 15 DEG C ~ 60 DEG C, the reaction times is 1 ~ 10min.
6. preparation method according to claim 1, is characterized in that described steps A is specially:
A1) sulfosalt is soluble in water, obtain 5-25mmol/L sulfosalt mother liquor;
A2) by soluble in water for cadmium source soluble compound, 50-100mmol/L cadmium source soluble compound mother liquor is obtained;
A3) 4-10mmol/L sulfosalt mother liquor is mixed with by soluble in water for stablizer.
7. preparation method according to claim 1, is characterized in that described step B is specially:
B1) by sulfosalt mother liquor with volume ratio 1: (25 ~ 70) are dissolved in buffered soln, obtain sulfosalt solution;
B2) by cadmium source soluble compound mother liquor with volume ratio 1: (10 ~ 45) are dissolved in buffered soln, obtain cadmium source soluble compound solution;
B3) by stablizer mother liquor with volume ratio 1: (1 ~ 2) is dissolved in buffered soln, obtains stabiliser solution.
8. preparation method according to claim 7, is characterized in that described buffered soln is citrate-phosphate buffered soln, Tris-HCl buffered soln or phosphate buffer soln.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410269930.7A CN104291374A (en) | 2014-06-18 | 2014-06-18 | Simple and rapid quantum dot synthesis method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410269930.7A CN104291374A (en) | 2014-06-18 | 2014-06-18 | Simple and rapid quantum dot synthesis method |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105399080A (en) * | 2015-10-15 | 2016-03-16 | 南京工业大学 | Method for preparing graphene-quantum dot composite material |
| CN112194172A (en) * | 2020-10-21 | 2021-01-08 | 中国科学院南京土壤研究所 | Method for rapidly preparing spherical mercury sulfide nanoparticles |
| CN112608733A (en) * | 2020-12-29 | 2021-04-06 | 上海纳米技术及应用国家工程研究中心有限公司 | Preparation method of silicon dioxide quantum dot composite material |
-
2014
- 2014-06-18 CN CN201410269930.7A patent/CN104291374A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105399080A (en) * | 2015-10-15 | 2016-03-16 | 南京工业大学 | Method for preparing graphene-quantum dot composite material |
| CN105399080B (en) * | 2015-10-15 | 2018-06-29 | 南京工业大学 | A kind of method for preparing graphene-quantum dot composite material |
| CN112194172A (en) * | 2020-10-21 | 2021-01-08 | 中国科学院南京土壤研究所 | Method for rapidly preparing spherical mercury sulfide nanoparticles |
| CN112608733A (en) * | 2020-12-29 | 2021-04-06 | 上海纳米技术及应用国家工程研究中心有限公司 | Preparation method of silicon dioxide quantum dot composite material |
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Application publication date: 20150121 |